单项选择题
A. I hope she’ll be all right soon. B. You must take some medicine. C. What’s wrong D. You’d better stay in bed till tomorrow. E. Perhaps she’s caught a cold. F. Really G. I agree. H. Nothing serious.
A．why computer criminals are often able to escape punishment B．why computer crimes are difficult to detect by systematic inspections C．how computer criminals manage to get good recommendations from their former employers D．why computer crimes can’t be eliminated
A．so B．various C．different D．such